631676448 has 96 divisors (see below), whose sum is σ = 1984147200. Its totient is φ = 194358528.

The previous prime is 631676447. The next prime is 631676459. The reversal of 631676448 is 844676136.

It is a happy number.

631676448 is a `hidden beast` number, since 631 + 6 + 7 + 6 + 4 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (631676447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16888 + ... + 39351.

It is an arithmetic number, because the mean of its divisors is an integer number (20668200).

Almost surely, 2^631676448 is an apocalyptic number.

It is an amenable number.

631676448 is an abundant number, since it is smaller than the sum of its proper divisors (1352470752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631676448 is a wasteful number, since it uses less digits than its factorization.

631676448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56271 (or 56257 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 631676448 is about 25133.1742523701. The cubic root of 631676448 is about 858.0216142044.

The spelling of 631676448 in words is "six hundred thirty-one million, six hundred seventy-six thousand, four hundred forty-eight".